[User Manual] Introduce Database

[OpcUa Support]

The Database is used for storaging historical, Alarm & Event data into
database for other application use.

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We support My SQL 5.x, My SQL 8.x and Microsoft SQL Server 2016,2017,2019 & Azure SQL Database. First step is to prepare the database, and then input Hostname, Port, User name and Password for accessing the database. In Log Config, input the Dafault Schema and Default Table. these files
are dependant on your design in database. For the Log Policy, we offer "Data Update" and "Sampling Rate."

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Example 1: Set a historical configuration and save to MySQL Database.

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Step 1: MySQL version: 5.7.39 (choose Database as "MySQL 5.x").

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Step 2: Set login information (Hostname, Username, Port, Password and confirm it) then click button “Test Connection.”

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Step 3: Click button “Init. Database” and check the initialization completed message. A new schema “opcua_db” and a new table “historical”are shown in the db server.

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Step 4: Click “Apply" and restart the OpcUa server.

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Step 5: The changed information are recorded in the table.

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Example 2: Set up an Azure SQL Database.
Step 1: Create a Resource Group.

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Step 2: Press "Create resources"

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Step 3: Select "Azure SQL"

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Step 4: Create a Single database.

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Step 5: Create a server if there is no one.

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Step 6: Define the server name, user name (admin login), and password.

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Step 7: Choose "Public endpoint" in the Networking tab. Then "Review + create" to create this database.

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Step 8: Check the database in your resource group and click it.

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Step 9: Set the firewall

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Step 10: Add a firewall rule, enter the IP of OpcUa server to allow it to connect to Azure SQL. Then press the "Save" button.

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Step 11: Refer to "Connection strings", check the information and type them to Database configuration of OpcUa Server.

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